Masson, Andrea Cristina Castelhano Tracheostoma humidifier: influence on secretion and voice of patients with total laryngectomy. [electronic resource] - Pro-fono : revista de atualizacao cientifica - 183-9 p. digital Publication Type: Journal Article ISSN: 1809-399X Standard No.: 10.1590/s0104-56872008000300008 doi Subjects--Topical Terms: AgedHumansHumidityLaryngectomy--adverse effectsLung--metabolismMaleMiddle AgedPhonation--physiologyRespirationRespiration Disorders--etiologyRespiratory Therapy--instrumentationSpeech IntelligibilitySpeech, Alaryngeal--instrumentationSpeech, Esophageal--instrumentationStatistics, NonparametricTime FactorsTrachea--physiologyVoice Quality--physiology